I'm assuming from my search on google and all over that the current bypass to preserve Other OS's doesn't work anymore... ?
http://www.engadget.com/2010/04/09/bypass-ps3-firmware-3-21-in-seconds-at-your-own-risk/
http://www.engadget.com/2010/04/09/bypass-ps3-firmware-3-21-in-seconds-at-your-own-risk/
